/**
 * 
 */
package com.sc.softmgr.common.component;

import java.util.Arrays;

import javax.servlet.http.HttpServletRequest;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

/**
 * 
 * @content 记录WEB请求日志
 * 
 * @date 2017年5月12日
 * 
 * @author OprCalf
 * 
 */
@Aspect
@Component
public class WebLogAspectComponent {

	private static final Logger log = LoggerFactory.getLogger(WebLogAspectComponent.class);

	// 两个..代表所有子目录，最后括号里的两个..代表所有参数
	@Pointcut("execution(public * com..*.controller.*.*(..))")
	public void logPointCut() {
	}

	@Before("logPointCut()")
	public void doBefore(JoinPoint joinPoint) throws Throwable {
		// 接收到请求，记录请求内容
		ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
		HttpServletRequest request = attributes.getRequest();

		// 记录下请求内容
		log.info("请求地址 : " + request.getRequestURL().toString());
		log.info("HTTP METHOD : " + request.getMethod());
		log.info("IP : " + request.getRemoteAddr());
		log.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
				+ joinPoint.getSignature().getName());
		log.info("参数 : " + Arrays.toString(joinPoint.getArgs()));

	}

	@AfterReturning(returning = "ret", pointcut = "logPointCut()") // returning的值和doAfterReturning的参数名一致
	public void doAfterReturning(Object ret) throws Throwable {
		// 处理完请求，返回内容
		log.info("返回值 : " + ret);
	}

	@Around("logPointCut()")
	public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
		long startTime = System.currentTimeMillis();
		Object ob = pjp.proceed();// ob 为方法的返回值
		log.info("耗时(ms) : " + (System.currentTimeMillis() - startTime));
		return ob;
	}
}
